fm93c86a Fairchild Semiconductor, fm93c86a Datasheet - Page 8

• Manufacturer Part Number: fm93c86a
• Description: 16k-bit Serial Cmos Eeprom Microwire ?ynchronous Bus
• Manufacturer: Fairchild Semiconductor

FM93C86A Rev. C.1
SYNCHRONOUS DATA TIMING
CS
SK
DI
DO (Data Read)
DO (Status Read)
READ CYCLE (READ)
CS
SK
DI
DO
9 3 C 8 6 A ( O R G = 1 ;
9 3 C 8 6 A ( O R G = 0 ;
WRITE ENABLE CYCLE (WEN)
CS
SK
DI
DO
9 3 C 8 6 A ( O R G = 1 ;
9 3 C 8 6 A ( O R G = 0 ;
A d d r e s s b i t s p a t t e r n - > 1 - 1 - x - x - x - x - x - x - x - x ; ( x - > D o n’ t C a r e , c a n b e 0 o r 1 )
A d d r e s s b i t s p a t t e r n - > 1 - 1 - x - x - x - x - x - x - x - x - x ; ( x - > D o n’ t C a r e , c a n b e 0 o r 1 )
A d d r e s s b i t s p a t t e r n - > A 9 - A 8 - A 7 - A 6 - A 5 - A 4 - A 3 - A 2 - A 1 - A 0 ; U s e r d e f i n e d
A d d r e s s b i t s p a t t e r n - > A 1 0 - A 9 - A 8 - A 7 - A 6 - A 5 - A 4 - A 3 - A 2 - A 1 - A 0 ; U s e r d e f i n e d
S t a r t
B i t
S t a r t
B i t
1
1
A
A
n
n
A
A
=A9
=A10
t
n
n
CSS
t
=A9; D
=A10; D
O p c o d e
B i t s ( 2 )
DIS
O p c o d e
B i t s ( 2 )
1
0
) :
t
) :
Valid
Input
SV
0
n
0
t
DIH
=D15
n
=D7
High - Z
t
SKH
A
A
n
) :
) :
n
t
PD
A
A
n-1
n-1
A d d r e s s
B i t s ( 1 0 / 11 )
A d d r e s s
B i t s ( 1 0 / 1 1 )
t
SKL
A1
Output
Valid
A1
Valid
Input
A0
High - Z
t
DH
A0
D u m my
B i t
t
CS
0
t
PD
D
n
Valid Status
D1
Output
Valid
D0
t
CS
t
CSH
t
t
DF
DF
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